单词	xenon {xe
释义	同 54}--xenon {Xe
随便看	picture elements picture element signal picture element，pel picture encoding picture exchange picture exchange communication system picture exchange communication system {=pecs} picture fidelity picture file picture fill picture format picture format item picture frame picture frame, picture-frame pictureframe picture-framer picture-framing picture frequency picture-frustration picture gallery picture-gallery picturegallery picture gate picturegoer